fix(Core.Security): pem-Importprozess in den Initilizer mehetods verschoben

DigitalData.Core.Security/RSADecryptor.cs

@@ -1,5 +1,6 @@
 using DigitalData.Core.Abstractions.Security;
 using DigitalData.Core.Security.Extensions;
+using System.Runtime.Serialization;
 
 namespace DigitalData.Core.Security
 {
@@ -21,8 +22,26 @@ namespace DigitalData.Core.Security
             }
         }
 
-        public RSADecryptor()
+        public RSADecryptor() { }
+
+        public RSADecryptor(string pem, string? password = null)
         {
+            Pem = pem;
+            Password = password;
+            Initialize();
+        }
+
+        [OnDeserialized]
+        private void OnDeserialized(StreamingContext context)
+        {
+            Initialize();
+        }
+
+        private void Initialize()
+        {
+            if (string.IsNullOrWhiteSpace(Pem))
+                throw new InvalidOperationException("Pem cannot be null or empty.");
+
             if (Password is null)
                 _rsa.ImportFromPem(Pem);
             else